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Surface Modification of Ti6al4 V Implants by Heat, H2o2 and Alkali Treatments Publisher



Khodaei M1 ; Meratian M2 ; Shaltooki M2 ; Hashemibeni B3 ; Savabi O4 ; Razavi M5, 6, 7
Authors
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Authors Affiliations
  1. 1. Center for Advanced Engineering Research, Majlesi Branch, Islamic Azad University, Isfahan, Iran
  2. 2. Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156–83111, Iran
  3. 3. Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, 81746–73461, Iran
  4. 4. Torabinejad Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, 81746–73461, Iran
  5. 5. BCAST, Institute of Materials and Manufacturing, Brunel University London, Uxbridge, London, UB8 3PH, United Kingdom
  6. 6. Brunel Institute for Bioengineering, Brunel University London, Uxbridge, London, UB8 3PH, United Kingdom
  7. 7. Dental Materials Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Surface Engineering Published:2016


Abstract

In the present research we have applied three types of surface modifications on Ti6Al4 V alloy including heat treatment, H2O2 treatment and alkali treatment. Scanning electron microscope and thin-film X-ray diffractometry (TF-XRD) were used to analyse the surface structure and the formed phases on the surface modified specimens. In vitro bioactivity evaluations were carried out and the cytocompatibility assay was performed using the evaluation of viability and attachment of L-929 fibroblast cells. The results revealed more bioactivity of the alkali-treated Ti6Al4 V alloy compared to other surface modifications. Better cellular response was also observed on the alkali-treated specimens. According to the results of our study, alkali treatment enhanced the in vitro bioactivity and cytocompatibility of Ti6Al4 V alloy more effectively than H2O2 treatment and heat treatment. © 2016 Institute of Materials, Minerals and Mining.